Home / 3,415,352.40-5,123,028.60-3,205,227.60

Finding the Fourth Proportional to 3,415,352.40, 5,123,028.60 and 3,205,227.60

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Solution

The fourth proportional to 3,415,352.40, 5,123,028.60 and 3,205,227.60 is: 4,807,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,352.40 : 5,123,028.60 = 3,205,227.60 : x
  2. Step 2: Convert to fraction form
    3,415,352.40/5,123,028.60 = 3,205,227.60/x
  3. Step 3: Cross multiply
    3,415,352.40x = 5,123,028.60 × 3,205,227.60
  4. Step 4: Simplify right side
    3,415,352.40x = 16,420,472,664,309.36
  5. Step 5: Solve for x
    x = 16,420,472,664,309.36/3,415,352.40
  6. Step 6: Final answer
    x = 4,807,841.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.